Home / 42,966.75-64,447.54-25,547.43

Finding the Fourth Proportional to 42,966.75, 64,447.54 and 25,547.43

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Solution

The fourth proportional to 42,966.75, 64,447.54 and 25,547.43 is: 38,319.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,966.75 : 64,447.54 = 25,547.43 : x
  2. Step 2: Convert to fraction form
    42,966.75/64,447.54 = 25,547.43/x
  3. Step 3: Cross multiply
    42,966.75x = 64,447.54 × 25,547.43
  4. Step 4: Simplify right side
    42,966.75x = 1,646,468,889.09
  5. Step 5: Solve for x
    x = 1,646,468,889.09/42,966.75
  6. Step 6: Final answer
    x = 38,319.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.